Electroacoustic spring screw
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Place of Origin: Guangdong, China (Mainland), Guangdong, China (Mainland)
Brand Name: Lanejoy, Lanejoy
Model Number:PG18
Standard: GB
Material: Carbon Steel
Surface treatment: Zinc Plated Polished
Certificate:ISO9001:2015
Color: Zinc White
Size: Customized
Price Terms: FOB,CIF,CRF,EXW and others
Delivery Time: Within 20 workdays after receive payment
Model:Pg18
product material ,preservative
available in Wet environment , indoors and outdoors
Process forging, The product is forged in multiple processes, strictly controlling each production process, and the surface gloss is free of burrs.
Deep thread, even tooth distance, clear grain, uniform force, not easy to slip
Surface treatment improves corrosion resistance
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7 days
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Plating, hot-dip galvanizing, and mechanical plating of fasteners are the most commonly used method. A coating is formed on the surface of the fastener. After the surface treatment, the fastener can be more beautiful. Appearance, the corrosion resistance of the fastener itself will also be improved.
fastener
The more important purpose is to make the fastener itself obtain anti-corrosion capability, so as to increase the reliability and adaptability of the use of the fastener. Therefore, the quality judgment of the fastener surface treatment is mainly to check the corrosion resistance of the fastener. Whether the increase is effective and whether the increase is in line with expectations.
The electroplating of fasteners refers to immersing the portions of the fasteners that need to be electroplated in a particular aqueous solution. The aqueous solution will contain some deposited metal compounds. After the current passes through the aqueous solution, the metallic substances in the solution will precipitate and adhere to the solution. The immersed part of the fastener. The electroplating of fasteners generally includes galvanizing, copper, nickel, chromium, copper-nickel alloys, and the like.
Hot-dip galvanizing of fasteners involves immersing carbon steel fasteners in a bath of molten zinc at a temperature of about 510° C., so that the iron-zinc alloy on the surface of the fastener turns into passivation zinc. Get surface treatment results. The price of hot-dip galvanizing of fasteners is higher than that of electroplating, which is about 1.5 to 2 yuan per kilogram.
Mechanical plating of fasteners means that the surface of the fastener is impacted by a certain physical and chemical means with a powder of a plated metal, so that the plated metal forms a coating on the surface of the fastener through a cold welding to reach the surface. Treatment effect. The mechanical plating of fasteners is mainly applicable to spare parts such as screws, nuts, and gaskets.